Stonefield prepared a Boundary and Topographic Survey of 37 acres for the purpose of redevelopment of existing office park property. Survey detailed over 1800 parking spaces and an elevation change of over 28 feet. Mapping was prepared in the New York State Plane Coordinate System (NAD-83 / Long Island Zone) horizontal datum and North American Vertical Datum of 1988 (NAVD88), vertical datum. […]

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